A 45-year-old man complains of toothache and mobility of his upper front teeth. Objectively his dental formula is as follows: 17 16 15 14 13 12 11 21 22 23 24 25 26 27 47 46 45 44 43 42 41 31 32 33 34 35 36 37 . Dental cervices of 13 12 11 21 22 are exposed and demonstrate mobility of the III-degree. Mobile teeth are to be extracted and immediate denture is to be made for the patient. How soon after the teeth extraction should such dentures be inserted?